annotate ueda/uschem-netlist/netobj.c @ 132:31ae8105aaa0

netdiff project started with protel2donl
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 06 Sep 2020 22:48:09 +0000
parents cd92449fdb51
children
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1 #include <sys/types.h>
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2 #include <stdio.h>
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3 #include "netlist.h"
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4 #include "../libuschem/schemstruct.h"
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5
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6 extern struct net *alloc_nethead();
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7 extern struct net *get_nethead_for_netname();
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8
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9 extern struct schem *curschem;
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10 extern int global_errflag;
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11
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12 static struct net *curnet;
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13 static struct schemobj *cur_grouphead;
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14
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15 process_netobj(obj)
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16 register struct schemobj *obj;
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17 {
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18 register struct netpoint *netpt;
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19
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20 if (!obj->netobj_grouphead || obj->netobj_grouphead != cur_grouphead) {
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21 curnet = NULL;
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22 cur_grouphead = obj->netobj_grouphead;
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23 }
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24 if (!curnet && obj->netobj_netname)
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25 curnet = get_nethead_for_netname(obj->netobj_netname);
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26 for (netpt = obj->netobj_points; netpt; netpt = netpt->netpt_next)
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27 if (netpt->netpt_type == NETPT_TYPE_PIN)
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28 process_netpoint(obj, netpt);
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29 }
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30
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31 process_netpoint(netobj, netpt)
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32 struct schemobj *netobj;
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33 register struct netpoint *netpt;
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34 {
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35 struct schemobj *comp;
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36 char *soughtpin;
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37 int bynum;
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38
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39 if (!netpt->netpt_pin_nameref) {
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40 fprintf(stderr,
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41 "%s: line %d: Pin connection specified by coordinates only not netlistable\n",
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42 curschem->orig_filename, netobj->obj_lineno);
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43 fprintf(stderr, "Run uschem-rewrite -g %s to fix\n",
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44 curschem->orig_filename);
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45 global_errflag++;
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46 return;
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47 }
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48 if (parse_pin_nameref(curschem, netobj->obj_lineno,
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49 netpt->netpt_pin_nameref, &comp, &soughtpin,
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50 &bynum) < 0) {
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51 /* error msg already printed */
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52 global_errflag++;
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53 return;
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54 }
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55 /* handle unnamed nets -- point of no return */
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56 if (!curnet) {
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57 curnet = alloc_nethead();
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58 add_unnamed_net(curnet);
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59 }
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60 do_connect(curnet, comp, soughtpin, bynum, netobj->obj_lineno);
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61 }